Here is a very nice table designed for crafting but which will work great for LARPing/camping. It's a huge surface, but the sides drop down to make a much smaller box for transport and traveling. - Ray's Wood Ways: Cutting Table

Foldable Craft Table made from Scrap Wood

Make your small craft area work with this space-conscious DIY foldable craft table, built from inexpensive materials or even scraps. Two fold-out gate-leg dropleaf sections create a small or large workspace, with storage in the base for a sewing machine o